Add boot update support

Now with the related changes in libxiv, Astra is now capable of updating
the boot folder on it's own! The actual user-visible flow however is a
WIP. This also includes changes to properly load version files from a
freshly installed game, and report expansion levels correctly.

src/launchercore.cpp

@@ -411,6 +411,7 @@ void LauncherCore::readGameVersion() {
     for(auto& profile : profileSettings) {
         profile.bootVersion = readVersion(profile.gamePath + "/boot/ffxivboot.ver");
         profile.gameVersion = readVersion(profile.gamePath + "/game/ffxivgame.ver");
+        profile.installedMaxExpansion = 0;
 
         for(auto dir : QDir(profile.gamePath + "/game/sqpack/").entryList(QDir::Filter::Dirs)) {
             if(dir.contains("ex") && dir.length() == 3 && dir[2].isDigit()) {
@@ -418,10 +419,6 @@ void LauncherCore::readGameVersion() {
 
                 profile.installedMaxExpansion = std::max(profile.installedMaxExpansion, expacVersion);
             }
-
-            if(dir == "ffxiv") {
-                profile.installedMaxExpansion = std::max(profile.installedMaxExpansion, 0);
-            }
         }
 
         readExpansionVersions(profile, profile.installedMaxExpansion);

src/settingswindow.cpp

@@ -425,7 +425,7 @@ void SettingsWindow::reloadControls() {
     directXCombo->setCurrentIndex(profile.useDX9 ? 1 : 0);
     currentGameDirectory->setText(profile.gamePath);
 
-    if(profile.installedMaxExpansion == -1) {
+    if(profile.gameVersion.isEmpty()) {
         expansionVersionLabel->setText("No game installed.");
     } else {
         QString expacString;

src/squareboot.cpp

@@ -4,6 +4,9 @@
 #include <QNetworkReply>
 #include <QMessageBox>
 #include <QPushButton>
+#include <QStandardPaths>
+#include <QFile>
+#include <patch.h>
 
 #include "squarelauncher.h"
 
@@ -32,14 +35,51 @@ void SquareBoot::bootCheck(LoginInformation& info) {
 
     auto reply = window.mgr->get(request);
     connect(reply, &QNetworkReply::finished, [=] {
-        QString response = reply->readAll();
+        const QString response = reply->readAll();
+
         if(response.isEmpty()) {
             launcher.getStored(info);
         } else {
-            auto messageBox = new QMessageBox(QMessageBox::Icon::Critical, "Failed to Login", "Failed to launch. The game may require an update, please use another launcher.");
-            window.addUpdateButtons(*info.settings, *messageBox);
+            // TODO: move this out into a dedicated function, we need to use this for regular game patches later on
+            // TODO: create a nice progress window like ffxivboot has
+            // TODO: improve flow when updating boot, maybe do at launch ala official launcher?
+            const QStringList parts = response.split(QRegExp("\n|\r\n|\r"));
 
-            messageBox->show();
+            // patch list starts at line 5
+            for(int i = 5; i < parts.size() - 2; i++) {
+                const QStringList patchParts = parts[i].split("\t");
+
+                const int length = patchParts[0].toInt();
+                const int version = patchParts[4].toInt();
+                const int hashType = patchParts[5].toInt();
+
+                QString name = patchParts[4];
+                QString url = patchParts[5];
+
+                QNetworkRequest patchRequest(url);
+                auto patchReply = window.mgr->get(patchRequest);
+                connect(patchReply, &QNetworkReply::finished, [=] {
+                    const QString dataDir =
+                        QStandardPaths::writableLocation(QStandardPaths::TempLocation);
+
+                    QFile file(dataDir + "/" + name + ".patch");
+                    file.open(QIODevice::WriteOnly);
+                    file.write(patchReply->readAll());
+                    file.close();
+
+                    // TODO: we really a dedicated .ver writing/reading class
+                    QFile verFile(info.settings->gamePath + "/boot/ffxivboot.ver");
+                    verFile.open(QIODevice::WriteOnly | QIODevice::Text);
+                    verFile.write(name.toUtf8());
+                    verFile.close();
+
+                    processPatch((dataDir + "/" + name + ".patch").toStdString(), (info.settings->gamePath + "/boot").toStdString());
+
+                    auto messageBox = new QMessageBox(QMessageBox::Icon::Critical, "Successfully updated", "ffxivboot is now updated to " + name);
+
+                    messageBox->show();
+                });
+            }
         }
     });
 }

src/squarelauncher.cpp

@@ -171,7 +171,7 @@ void SquareLauncher::registerSession(const LoginInformation& info) {
 
     QString report = info.settings->bootVersion + "=" + getBootHash(info);
 
-    for(int i = 0; i < info.settings->expansionVersions.size(); i++)
+    for(int i = 0; i < info.settings->installedMaxExpansion; i++)
         report += QString("\nex%1\t%2").arg(QString::number(i + 1), info.settings->expansionVersions[i]);
 
     auto reply = window.mgr->post(request, report.toUtf8());